A very educational next step would be a hands-on-session with a T1 diabetic, a person uniquely qualified to show these people the non-existent difference between soda and juice in terms of adverse blood-sugar excursions.

That would be a nice short documentary for TV. Let a T1 take a small sip of coke and show the CGM plot, maybe the struggle to compensate with insulin, any lows that might occur. Then repeat the same with juice.

Great idea! A diabetic in hospital in the UK recently described the diet as "carb sandwiches on toast washed down with orange juice" and the nurse's job seemed to be using a Sliding Scale to keep her BG over 8 at all times. Many doctors are unconcerned by postprandial glucose spikes as long as A1c is around 7%, they panic about hypos with lower A1c. Conversely it would be interesting to see a public display of the kind of flat BG response from a lowcarbing diabetic.